WHAT YOU HAVE LEARNED

In this lesson, you have:

• Learned why validation is important (page 398)

• Defined validation requirements and used them to create conditional statements (pages 399 401)

• Set up a method to handle errors detected in the validation process (pages 401 403)

• Created several functions for validating strings, numbers, and sequences (pages 403 418)

• Formatted dynamic data in a custom confirmation message using HTML (pages 418 427)

• Dynamically created, configured, and controlled several text fields (pages 427 437)

• Used TextFormat objects to dynamically style the text in a field (pages 437 447)